.nav li{
    float: left;
    font-size: 18px;
    color: #000;
}
.logo{
    float:left;
    margin-left: 7%;
}
.topbar-nav{
   margin-left: 60%; 
}
.topbar-nav ul{
    width: 500px; 
    display:flex;
}
.nav li{
    flex-grow: 1.5;
    text-align: center;
    line-height: 60px;   
}
.nav li a:hover,.content-nav li:hover{
    color: #009bd9;
    border-bottom:2px #009bd9 solid;
    padding-bottom: 10px;
}
.adv-picture{
    margin-top: 15px;
}
.content-nav{
    margin-top: 25px;
}
.content-nav li{
    float: left;
    font-size: 16px;
    margin-right: 58px;
}
.content-nav li:first-child{
    margin-left: 7%;
    color: #009bd9;
    border-bottom:2px #009bd9 solid;
    padding-bottom: 10px;
}
.nav-hr{
    clear: both;
    display: block;
}
.content-box li:first-child{
    margin-top: 5%;
}
.content-box li{
    margin-top: 4%;
    margin-left: 7%;
    height: 320px;
    width: 86%;
    border-bottom:2px dashed #cccccc;
}
.content-box img{
    float: left;
}
.article-title {
    float: left;
}
.article-title span,.article-title .see{
    display: block;
    margin-left: 10%;
}
.article-title .title{
    margin-top: 2%;
    font-size: 22px;
    color: black;
    width: 100%;
}
.article-title .day{
    margin-top: 1%;
}
.article-title .text{
    width: 700px;
    font-size: 16px;
    margin-top: 4%;
    line-height: 20px;
}
.article-title .see{
    background-color:#009bd9;
    width: 140px;
    height: 50px;
    border-radius: 5%;
    color:white;
    border:none;
    display:block;
    margin-top: 7%;
}
.button-group{
  width: 100%;
  height: 200px;
  margin-top: 20px;
}
.button{
    width: 420px;
    margin: 0 auto;
    margin-top: 80px;
}
.button input{
    width: 70px;
    height:40px;
    background-color: white;
    border:none;
    border-top: 2px #eee solid;
    border-bottom: 2px #eee solid;
    border-left: 2px #eee solid;
    float: left;
}
.button-group .last-button{
    border-right: 2px #eee solid;
}
.button-group .button input:hover{
    background-color: #009bd9;
}


.foot ul{
    float: left;
    margin-top: 50px;
}
.foot li{
    margin-left: 100px;
}
.foot{
    margin-top: 20px;
    background-color: #333f50;
    width: 100%;
    height: 230px;
}
.foot li:first-child{
    font-size: 22px;
    color: rgb(255, 255, 255);
    margin-bottom: 20px;
}
.box img{
    display: block;
    padding-top: 30px;
    padding-left: 50px;
}
.box span{
    display: block;
    font-size: 22px;
    padding-top: 10px;
    margin-left: 980px;
}
.copy{
    clear: both;
    width: 100%;
    height: 50px;
    background-color: #00b0f0;
    margin-top: 60px;
}
.copy span{
    display: block;
    font-size: 14px;
    color: white;
    line-height: 50px;
    margin-left: 7%;
    float: left;
}
.app-logo{
    padding-top: 0px;
}
.app-logo ul{
    margin-left: 400px;
}
.copy .app-logo ul{
    margin-top:10px;
    margin-left: 300px;
}
.copy .app-logo ul li{
    float: left;
    margin:0;
    padding-left: 15px;
    margin-left: 30px;
}

